31519768

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 72394560

約数和(自身を除く): 40874792

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 113, 119, 136, 226, 238, 293, 452, 476, 586, 791, 904, 952, 1172, 1582, 1921, 2051, 2344, 3164, 3842, 4102, 4981, 6328, 7684, 8204, 9962, 13447, 15368, 16408, 19924, 26894, 33109, 34867, 39848, 53788, 66218, 69734, 107576, 132436, 139468, 231763, 264872, 278936, 463526, 562853, 927052, 1125706, 1854104, 2251412, 3939971, 4502824, 7879942, 15759884, 31519768]

約数ペア:

[(1, 31519768), (2, 15759884), (4, 7879942), (7, 4502824), (8, 3939971), (14, 2251412), (17, 1854104), (28, 1125706), (34, 927052), (56, 562853), (68, 463526), (113, 278936), (119, 264872), (136, 231763), (226, 139468), (238, 132436), (293, 107576), (452, 69734), (476, 66218), (586, 53788), (791, 39848), (904, 34867), (952, 33109), (1172, 26894), (1582, 19924), (1921, 16408), (2051, 15368), (2344, 13447), (3164, 9962), (3842, 8204), (4102, 7684), (4981, 6328)]